They were convicted of having organised and executed the murder of Peter Čongrády, original head of the Bratislava gang Sýkorovci, in 2004. The appellate court thus confirmed the Bratislava I District Court verdict from February 2018.

Čongrády was shot dead at the age of 36 on September 9, 2004, in front of a pizzeria on Pečnianska Street in the Petržalka borough of Bratislava. He was leaving the pizzeria and entering an armoured Mercedes parked in front of the building when he was killed by a dozens shots.